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Author Topic: Rx8 air on  (Read 3488 times)

Offline rx7ali

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Rx8 air on
« on: July 09, 2014, 05:02:59 PM »
My air conn isn\'t working

Looks like the acc magnetic clutch isn\'t operating due to a popped fuse. Swapped the fuse out and it popped right away....

Any ideas before I get the multi meter out?

Is there any known issues with the compressor clutch?
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Offline boosted

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Rx8 air on
« Reply #1 on: July 09, 2014, 07:35:40 PM »
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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline rx7ali

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« Reply #2 on: July 10, 2014, 08:03:14 AM »
Quote from: boosted;880840
http://www.mazdarotaryclub.com/rx-8_onlinemanual/index.htm

pages 64/65 relay best place to start.


Thanks... nothing mentioned about clutch blowing fuses so sounds like dodgy wiring... GREAT :2Confused:xconfused:2Mad
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Offline boosted

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Rx8 air on
« Reply #3 on: July 10, 2014, 02:18:57 PM »
With ac turned off...magnet wont be engaged does it blow straight away with it turned off?
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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline rx7ali

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« Reply #4 on: July 10, 2014, 03:22:52 PM »
Quote from: boosted;880863
With ac turned off...magnet wont be engaged does it blow straight away with it turned off?


That\'s my next test once i get some replacement fuses :evillaugh
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Offline rx7ali

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« Reply #5 on: July 13, 2014, 10:50:03 AM »
It will only pop a fuse with the ac on, current passes the fuse until it\'s switched on.

It\'s a 10a fuse, if you put a higher rated fuse in it looks to engage the clutch but no cold air comes thru.

You can turn the clutch by hand, which I assume means the compressor internals are moving?

Any ideas?
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Offline boosted

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« Reply #6 on: July 13, 2014, 12:34:05 PM »
I would disconnect the plug to ac compressor (x19). Turn on ac.... fuse blows wiring or relay. If not then ac compressor. ohm resistance check of magnetic clutch. and socket where plug went into.

Page 68 of elec manual. Resistance check of magnetic coil.
« Last Edit: July 13, 2014, 12:34:26 PM by boosted »
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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline rx7ali

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« Reply #7 on: July 13, 2014, 01:17:40 PM »
I disconnected the plug and the fuse didn\'t pop.
.

Must be the clutch... I hope.

eBay is full of compressors on the cheap so will get one and try just swapping the mag clutch, if still having issues the. Will look at replacing the actual compressor and regarding :-(
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Offline boosted

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« Reply #8 on: July 13, 2014, 01:25:53 PM »
Good thing about rx8\'s is parts are plentiful! no idea why!:2Rolleyes:Giggle
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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline rx7ali

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« Reply #9 on: July 13, 2014, 07:17:42 PM »
Quote from: boosted;880996
Good thing about rx8\'s is parts are plentiful! no idea why!:2Rolleyes:Giggle


Yes £20 delivered for a compressor with clutch.
 
Going to try to have off just the clutch from the replacement item and see how easy it is without a bearing puller.
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Offline boosted

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« Reply #10 on: July 13, 2014, 09:33:15 PM »
Cool. Cheap as chips. Saves regassing as well.
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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline rx7ali

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« Reply #11 on: July 13, 2014, 10:00:04 PM »
Quote from: boosted;881024
Cool. Cheap as chips. Saves regassing as well.


Let\'s hope so.

Just had her re gassed at kiwi fit which cost nothing as it didn\'t fix the problem.

That\'s a good tip for everyone.

Unplug your compressor and take your car kwik fit... Regards... Not fixed? No charge... Plug in... Boom free regass lol

I know this is pikey but after they :censored::censored::censored::censored:ed my dad over with his service the other week they can suck it :-p
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Offline rx7ali

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« Reply #12 on: July 16, 2014, 07:06:30 PM »
Compressor has arrived, really hoping it\'s just the coil from the clutch as I wouldn\'t trust swapping the compressor :-/
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Offline rx7ali

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« Reply #13 on: July 16, 2014, 10:18:45 PM »
yep.. clutch and magnetic coil are just held in place with one bolt for the clutch, snap ring for the bearing and circlip for the magnet.

simple bit of WD40 and a rubber mallet to tap out the bearing and magnet :-)

al done fairly quickly on the spare sat on teh bench in the garage.. now the small matter of replicating teh process with the compressor still attached to the engine :-/
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Offline boosted

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« Reply #14 on: July 17, 2014, 10:39:44 PM »
Good luck...fiddly and ackward on the car no doubt! Lets hope its got some gas in the system!
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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.
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